Structure, function and development of the digestive system in malacostracan crustaceans and adaptation to different lifestyles

Štrus, Jasna; Žnidaršič, Nada; Mrak, Polona; Bogataj, Urban; Vogt, Günter

doi:10.1007/s00441-019-03056-0

Cited by 44 publications

(59 citation statements)

References 137 publications

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“…They reviewed the literature between 1876 and 1977. More recent data on the structure, function, and organogenesis of the decapod hepatopancreas were revised in several reviews and book chapters on crustacean digestion (Ceccaldi, , ; Dall & Moriarty, ; Factor, ; Gherardi, Souty‐Grosset, Vogt, Diéguez‐Uribeondo, & Crandall, ; Icely & Nott, ; Johnson, ; McGaw & Curtis, ; Saborowski, ; Štrus et al, ; Vogt, ; Watling, ).…”

Section: History Of Research On the Decapod Hepatopancreasmentioning

confidence: 99%

“…The digestive system of Decapoda consists of the external mouthparts and the internal digestive organs. The internal digestive tract is subdivided into three regions, (a) the foregut (stomodeum), including esophagus and stomach, (b) the midgut, comprising midgut proper (intestine), dorsal anterior and posterior ceca, and hepatopancreas, and (c) the hindgut (proctodeum; Figure ; Bell & Lightner, ; Ceccaldi, ; Felgenhauer, ; Icely & Nott, ; Gruner, ; Factor, ; Lavalli & Factor, ; Štrus et al, ). The foregut and hindgut are of ectodermal origin and are lined by a cuticle that is shed during molting.…”

Section: Anatomical and Functional Relationship Of The Hepatopancreasmentioning

confidence: 99%

“…Resin section, Richardson's staining. Scale bar: 100 μm (from Štrus et al, ). (e) SEM micrograph of pyloric filter system of adult crayfish A. astacus showing numerous filter tubes (F) covered by filter setae (FS) and press plate (P) studded with long setae.…”

Section: Anatomical and Functional Relationship Of The Hepatopancreasmentioning

confidence: 99%

“…Although the hepatopancreas was intensely investigated with histological, electron microscopic, physiological, biochemical, and molecular biological techniques, there is yet no universally accepted structural and functional concept. Particularly the number of epithelial cell lines and their functions are controversially discussed (Al‐Mohanna & Nott, ; Brunet, Arnaud, & Mazza, ; Ceccaldi, ; Cervellione, McGurk, & Van den Broeck, ; Dall & Moriarty, ; Factor, ; Gibson & Barker, ; Icely & Nott, ; Johnson, ; McGaw & Curtis, ; Saborowski, ; Štrus, Žnidaršič, Mrak, Bogataj, & Vogt, ; Vogt, ; Watling, ).…”

Section: Introductionmentioning

confidence: 99%

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Functional cytology of the hepatopancreas of decapod crustaceans

Vogt

2019

Journal of Morphology

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This article reviews the morphogenesis, morphology, histology, ultrastructure, and structural-functional relationships of the hepatopancreas, the main metabolic organ of the Decapoda. The hepatopancreas develops in early larval stages from a pair of lateral lobes of the midgut anlage. In adults, it consists of hundreds of blindly ending tubules that are enveloped by a muscle net consisting of longitudinal and circular fibers. Stem cells at the distal ends of the tubules give rise to three ultrastructurally different epithelial cell types, the R-, F-, and B-cells. Histochemistry, immunohistochemistry, in situ hybridization, and monitoring of ultrastructural changes under different experimental conditions allowed the attribution of functions to these cell types. R-cells serve for the absorption and metabolization of nutrients, storage of energy reserves and minerals, synthesis of lipoproteins for export to other organs, detoxification of heavy metals, and excretion of uric acid. F-cells synthesize digestive enzymes and blood proteins involved in oxygen transport and immune defense. They also detoxify some heavy metals and probably organic xenobiotics. B-cells are assumed to produce and recycle fat emulsifiers. The hepatopancreas tubules lack nerves. The presence of scattered M-cells with putative endocrine function in the epithelium suggests that the hepatopancreas is mainly hormonally controlled. M-cells probably represent a self-perpetuating cell lineage independent from E-cells. The interstitium between the tubules contains connective tissue, arterioles, hemolymph with circulating hemocytes, and fixed phagocytes that eliminate pathogens.The hepatopancreas is histologically and ultrastructurally uniform throughout the Decapoda, despite their broad variety in body size, morphology, life style, and ecology.However, in a few cavernicolous and deep-sea shrimps parts of the hepatopancreas are transformed into large oil storing and bioluminescent compartments. Within the malacostracan crustaceans, the hepatopancreas of the Decapoda is most similar to the digestive gland of the Euphausiacea, supporting close taxonomic relationship of these two taxa.

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Section: History Of Research On the Decapod Hepatopancreasmentioning

confidence: 99%

Section: Anatomical and Functional Relationship Of The Hepatopancreasmentioning

confidence: 99%

Section: Anatomical and Functional Relationship Of The Hepatopancreasmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Functional cytology of the hepatopancreas of decapod crustaceans

Vogt

2019

Journal of Morphology

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160

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“…Other authors that mention the presence of specific neuropeptides in the gut, without going into details, are Štrus et al 2019;Holtof et al 2019 andCaccia et al 2019; all three dealing with the Arthropoda and, for the old placozoan lineage, which shares neuropeptides with other bilaterian clades, Smith and Mayorova (2019). Poriferans do not seem to have secretory peptides in their genomes and the ctenophores use a completely different set of peptides unrelated to those of any other metazoan phyla (Moroz et al 2014).…”

Section: The Gut Endocrine Systemmentioning

confidence: 99%

Structure, development and evolution of the digestive system

Hartenstein

Martinez

2019

Cell Tissue Res

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Postembryonic development and differentiation of the midgut in the freshwater shrimp Neocaridina davidi (Crustacea, Malacostraca, Decapoda) larvae

Sonakowska‐Czajka

Śróbka

Ostróżka

et al. 2020

Journal of Morphology

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Neocaridina davidi is a freshwater shrimp that originates from Taiwan and is commonly bred all over the word. Like all decapods, which develop indirectly, this species has pelagic larvae that may differ entirely in their morphology and habits from adult specimens. To fill a gap of knowledge about the developmental biology of freshwater shrimps we decided to document the 3D-localization of the midgut inside the body cavity of larval stages of N. davidi using X-ray microtomography, and to describe all structural and ultrastructural changes of the midgut epithelium (intestine and hepatopancreas) which occur during postembryonic development of N. davidi using light and transmission electron microscopy. We laid emphasis on stem cell functioning and cell death processes connected with differentiation. Our study revealed that while the intestine in both larval stages of N. davidi has the form of a fully developed organ, which resembles that of adult specimens, the hepatopancreas undergoes elongation and differentiation. E-cells, which are midgut stem cells, due to their proliferation and differentiation are responsible for the above-mentioned processes. Our study revealed that apoptosis is a common process in both larval stages of N. davidi in the intestine and proximal region of the hepatopancreas. In zoea III, autophagy as a survival factor is activated in order to protect cells against their death. However, when there are too many autophagic structures in epithelial cells, necrosis as passive cell death is activated. The presence of all types of cell death in the midgut in the zoea III stage confirms that this part of the digestive tract is fully developed and functional. Here, we present the first description of apoptosis, autophagy and necrosis in the digestive system of larval stages of Malacostraca and present the first description of their hepatopancreas elongation and differentiation due to midgut stem cell functioning.

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Structure, function and development of the digestive system in malacostracan crustaceans and adaptation to different lifestyles

Cited by 44 publications

References 137 publications

Functional cytology of the hepatopancreas of decapod crustaceans

Functional cytology of the hepatopancreas of decapod crustaceans

Structure, development and evolution of the digestive system

Postembryonic development and differentiation of the midgut in the freshwater shrimp Neocaridina davidi (Crustacea, Malacostraca, Decapoda) larvae

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